SINTESIS DIALDEHID ALGINAT MELALUI REAKSI OKSIDASI NATRIUM ALGINAT DENGAN NATRIUM METAPERIODAT

  • Subur P Pasaribu Jurusan Matematika Fakultas matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman
  • Jamaran Kaban Departemen Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Sumatera Utara
  • Mimpin Ginting Departemen Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Sumatera Utara
  • Kasmirul Ramlan Sinaga Fakultas Farmasi Universitas Sumatera Utara

Abstract

Synthesis of dialdehyde alginate has been done by oxidation reactions of sodium alginate with sodium metaperiodate (ratio of mol 1: 1). The formation of dialdehyde alginate as a result of oxidation are characterized by FT-IR spectroscopy  with a peak absorption at 1627.92 cm-1, which is the vibration stretching  C = O of functional groups from the aldehyde group resulting from the -OH group oxidation process, the absorption peak is changing its wavelength and intensity more sharply compared to initial sodium alginates. In addition, the C-O-C band (cyclic ether ) at 1033 cm-1 are reduced as a result of chains cleavage. The absorption peaks that appear at 794.67 cm-1 and 732.95 cm-1 are included in the bond CH which contributes to cleavage the bending C-C of oxidized sodium alginate.

References

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Published
2017-05-29
How to Cite
PASARIBU, Subur P et al. SINTESIS DIALDEHID ALGINAT MELALUI REAKSI OKSIDASI NATRIUM ALGINAT DENGAN NATRIUM METAPERIODAT. JURNAL KIMIA MULAWARMAN, [S.l.], v. 14, n. 2, p. 134-138, may 2017. ISSN 2476-9258. Available at: <http://jurnal.kimia.fmipa.unmul.ac.id/index.php/JKM/article/view/482>. Date accessed: 24 sep. 2017.
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